@

-- TODO figure out why this don't work
vim.fn.sign_define("LspDiagnosticsSignError",
                   {texthl = "LspDiagnosticsSignError", text = "", numhl = "LspDiagnosticsSignError"})
vim.fn.sign_define("LspDiagnosticsSignWarning",
                   {texthl = "LspDiagnosticsSignWarning", text = "", numhl = "LspDiagnosticsSignWarning"})
vim.fn.sign_define("LspDiagnosticsSignInformation",
                   {texthl = "LspDiagnosticsSignInformation", text = "", numhl = "LspDiagnosticsSignInformation"})
vim.fn.sign_define("LspDiagnosticsSignHint",
                   {texthl = "LspDiagnosticsSignHint", text = "", numhl = "LspDiagnosticsSignHint"})

vim.cmd('nnoremap <silent> gd <cmd>lua vim.lsp.buf.definition()<CR>')
vim.cmd('nnoremap <silent> gD <cmd>lua vim.lsp.buf.declaration()<CR>')
vim.cmd('nnoremap <silent> gr <cmd>lua vim.lsp.buf.references()<CR>')
vim.cmd('nnoremap <silent> gi <cmd>lua vim.lsp.buf.implementation()<CR>')
vim.cmd('nnoremap <silent> ca :Lspsaga code_action<CR>')
vim.cmd('nnoremap <silent> K :Lspsaga hover_doc<CR>')
-- vim.cmd('nnoremap <silent> <C-k> <cmd>lua vim.lsp.buf.signature_help()<CR>')
vim.cmd('nnoremap <silent> <C-N> :Lspsaga diagnostic_jump_prev<CR>')
vim.cmd('nnoremap <silent> <C-n> :Lspsaga diagnostic_jump_next<CR>')
-- scroll down hover doc or scroll in definition preview
vim.cmd('command! -nargs=0 LspVirtualTextToggle lua require("lsp/virtual_text").toggle()')

--[[ " autoformat
autocmd BufWritePre *.js lua vim.lsp.buf.formatting_sync(nil, 100)
autocmd BufWritePre *.jsx lua vim.lsp.buf.formatting_sync(nil, 100)
autocmd BufWritePre *.lua lua vim.lsp.buf.formatting_sync(nil, 100) ]]
-- Java
-- autocmd FileType java nnoremap ca <Cmd>lua require('jdtls').code_action()<CR>

local function documentHighlight(client, bufnr)
    -- Set autocommands conditional on server_capabilities
    if client.resolved_capabilities.document_highlight then
        vim.api.nvim_exec([[
      hi LspReferenceRead cterm=bold ctermbg=red guibg=#464646
      hi LspReferenceText cterm=bold ctermbg=red guibg=#464646
      hi LspReferenceWrite cterm=bold ctermbg=red guibg=#464646
      augroup lsp_document_highlight
        autocmd! * <buffer>
        autocmd CursorHold <buffer> lua vim.lsp.buf.document_highlight()
        autocmd CursorMoved <buffer> lua vim.lsp.buf.clear_references()
      augroup END
    ]], false)

    end

end
local lsp_config = {}

function lsp_config.common_on_attach(client, bufnr)
    documentHighlight(client, bufnr)
end

function lsp_config.tsserver_on_attach(client, bufnr)
    lsp_config.common_on_attach(client, bufnr)
    client.resolved_capabilities.document_formatting = false
end

-- Use a loop to conveniently both setup defined servers
-- and map buffer local keybindings when the language server attaches
-- local servers = {"pyright", "tsserver"}
-- for _, lsp in ipairs(servers) do nvim_lsp[lsp].setup {on_attach = on_attach} end
return lsp_config